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This binding energies per nucleon for `._(1)H^(2) ` and `._(2)H^(4)` are ` 1.1MeV and 7.0 MeV` respectively. The energy released when two deuterons fuse to form a helium nucleus is __________.

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The correct Answer is:
`23.6 MeV`
`2 ._(1)H^(2) rarr ._(2)He^(4)`
`Delta E=rArr(2+2)(7)-2(1+1)(1.1)`
`rArr 23.6 ` MeV
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